20041530354247 has 2 divisors, whose sum is σ = 20041530354248. Its totient is φ = 20041530354246.

The previous prime is 20041530354143. The next prime is 20041530354259. The reversal of 20041530354247 is 74245303514002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20041530354247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20041530354847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10020765177123 + 10020765177124.

It is an arithmetic number, because the mean of its divisors is an integer number (10020765177124).

Almost surely, 2^{20041530354247} is an apocalyptic number.

20041530354247 is a deficient number, since it is larger than the sum of its proper divisors (1).

20041530354247 is an equidigital number, since it uses as much as digits as its factorization.

20041530354247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 40.

Adding to 20041530354247 its reverse (74245303514002), we get a palindrome (94286833868249).

The spelling of 20041530354247 in words is "twenty trillion, forty-one billion, five hundred thirty million, three hundred fifty-four thousand, two hundred forty-seven".